Hydraulic pipe joint

By introducing filter and check components into the hydraulic pipe joints, the problems of inconvenient disassembly and impurity cleaning are solved, achieving convenient disassembly and efficient filtration, and improving the maintenance convenience and fluid purification capability of the hydraulic system.

CN223725753UActive Publication Date: 2025-12-26ZHEJIANG AOCHUAN HYDRAULIC
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Patent Information

Application Number
CN202520594218.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2025-12-26
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Existing hydraulic pipe fittings are inconvenient to disassemble and maintain, and are difficult to effectively filter and clean internal impurities, thus limiting their application functions.

Method used

A hydraulic pipe joint with a filter component and a check valve component was designed. The joint is detachably connected by a sliding member and a positioning ball. A filter frame and a filter screen are installed inside the pipe joint to achieve the filtration function. The check valve component consists of a water-blocking part and a sliding rod to achieve the check valve effect.

Benefits of technology

It facilitates the disassembly and installation of pipe fittings, has filtering and check valve functions, and improves the maintenance convenience and fluid purification capabilities of hydraulic systems.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223725753U_ABST
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Abstract

The utility model provides a hydraulic pipe joint, and belongs to the technical field of joints. The problems that in the fluid circulation control process of some existing connectors, impurities in fluid cannot be conveniently filtered, part of impurities are accumulated in the connectors and cannot be conveniently cleaned, and the application function is limited are solved. The hydraulic pipe joint comprises a first pipe joint body and a second pipe joint body, the first pipe joint body and the second pipe joint body are each provided with a water passing channel, a filtering assembly used for filtering is arranged in the first pipe joint body, a protruding ring is arranged in the first pipe joint body, a non-return assembly is arranged in the second pipe joint body, and a sliding piece capable of sliding is arranged on the first pipe joint body. A sliding groove is formed in the position, opposite to the sliding piece, of the first pipe connector, a reset spring connected with the sliding piece and the first pipe connector is arranged in the sliding groove, and a positioning ball is arranged on the first pipe connector. The utility model has the advantages of filtering and non-return functions.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of joint, especially relate to a hydraulic pipe joint. BACKGROUND

[0002] Pipe joint is the connecting tool between pipeline and pipeline, is the connecting point of element and pipeline can be disassembled. In pipe fitting, it plays an indispensable important role, it is one of two main components of hydraulic pipeline.

[0003] The existing part pipe joint composition component is relatively single, when the problem appears in the inside partial pipe joint, the joint is inconvenient to disassemble and analyze, and the maintenance is more inconvenient, and some joints are inconvenient to filter the impurities in the fluid in the process of controlling the fluid circulation, and part of the impurities is accumulated in the inside of the joint and is inconvenient to clean, and the application function is more limited. SUMMARY

[0004] The utility model discloses a kind of hydraulic pipe joints with filtering and check function, to solve the problems existing in prior art.

[0005] The utility model discloses a kind of hydraulic pipe joints, including pipe joint one and pipe joint two, the pipe joint one and pipe joint two all have water passage, it is characterized in that, the filter assembly for filtering is arranged in the pipe joint one, the convex ring is arranged in the pipe joint one, the filter assembly is arranged on the convex ring, when pipe joint one and pipe joint two are installed, the pipe joint two is fixed in the pipe joint one with filter assembly, the check assembly for check is arranged in the pipe joint two, the sliding member that can slide is arranged on the pipe joint one, sliding groove is arranged on the pipe joint one relative to sliding member, and reset spring is arranged in the sliding groove respectively connected with sliding member and pipe joint one, positioning ball is arranged on the pipe joint one, and rolling groove for the position adjustment of positioning ball is set up on the pipe joint one, sliding member and pipe joint two all are set up with the positioning groove that the part of positioning ball is connected.

[0006] In the above-mentioned hydraulic pipe joint, the check assembly includes water blocking part, sliding rod and connecting spring, the pipe joint two is provided with fixed part, and the sliding rod is connected with the water blocking part and slides up and down on the fixed part, a plurality of water holes for water passing through are formed in the fixed part, and the water blocking part is attached to the inner wall of the pipe joint two.

[0007] In the above-mentioned hydraulic pipe joint, the filter assembly is composed of filter frame and filter screen, and the diameter of the filter frame is the same as the diameter of the internal passage of the pipe joint one.

[0008] The hydraulic pipe joint is characterized in that a plurality of sealing rings are arranged in the pipe joint one.

[0009] Compared with the prior art, the hydraulic pipe joint has the advantages that the pipe joint two is detachably fixed to the pipe joint one through the sliding member and the positioning ball, the pipe joint one and the pipe joint two are convenient for the operator to disassemble, and the filter assembly and the check valve assembly are arranged in the pipe joint one and the pipe joint two respectively, so that the hydraulic pipe joint has the filtering and check valve effects. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is the sectional view of the utility model (when the two pipe joints are not installed).

[0011] Figure 2 is the sectional view of the utility model (when the two pipe joints are installed).

[0012] In the drawing, 1, pipe joint one; 2, pipe joint two; 3, water passage; 4, filter assembly; 5, protruding ring; 6, check valve assembly; 7, sliding member; 8, reset spring; 9, positioning ball; 10, positioning groove; 11, water blocking part; 12, sliding rod; 13, connecting spring; 14, fixed part; 15, filter frame; 16, filter screen; 17, sealing ring. DETAILED DESCRIPTION

[0013] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0014] As shown in Figure 1 , Figure 2 , the hydraulic pipe joint comprises a pipe joint one 1 and a pipe joint two 2, the pipe joint one 1 and the pipe joint two 2 are both provided with a water passage 3, the pipe joint one 1 is provided with a filter assembly 4 for filtering, the pipe joint one 1 is provided with a protruding ring 5, the filter assembly 4 is arranged on the protruding ring 5, when the pipe joint one 1 and the pipe joint two 2 are installed, the pipe joint two 2 fixes the filter assembly 4 in the pipe joint one 1, the pipe joint two 2 is provided with a check valve assembly 6 for check valve, the pipe joint one 1 is provided with a sliding member 7 which can slide, the pipe joint one 1 is provided with a sliding groove relative to the sliding member 7, and the sliding groove is provided with a reset spring 8 which is connected with the sliding member 7 and the pipe joint one 1 respectively, the pipe joint one 1 is provided with a positioning ball 9, and the pipe joint one 1 is provided with a rolling groove for adjusting the position of the positioning ball 9, the sliding member 7 and the pipe joint two 2 are both provided with a positioning groove 10 which is partially connected with the positioning ball 9.

[0015] Further, the check valve assembly 6 comprises a water blocking part 11, a sliding rod 12 and a connecting spring 13, the pipe joint two 2 is provided with a fixed part 14, the sliding rod 12 is connected with the water blocking part 11 and slides up and down on the fixed part 14, the fixed part 14 is provided with a plurality of water passing holes for water passing, and the water blocking part 11 is attached to the inner wall of the pipe joint two 2.

[0016] Further, when connecting the two pipe joints, the sliding part 7 is pulled to move downwards, the connecting spring 13 is compressed, the positioning ball 9 is partially rolled into the positioning groove 10 of the sliding part 7, the pipe joint one 1 and the pipe joint two 2 are connected, the sliding part 7 is released, the connecting spring 13 rebounds, the sliding part 7 moves upwards, the positioning ball 9 is partially rolled into the positioning groove 10 of the pipe joint two 2, thereby fixing the pipe joint two 2 in the pipe joint one 1, when disassembling the two pipe joints, the sliding part 7 is pulled to move downwards, the connecting spring 13 is compressed, the positioning ball 9 is partially rolled into the positioning groove 10 of the sliding part 7, thereby disassembling the pipe joint two 2 from the pipe joint one 1.

[0017] Further, liquid flows from the pipe joint one 1, is filtered by the filter assembly 4 on the pipe joint one 1, and then flows into the pipe joint two 2, the water blocking part 11 is pressed to move inwards, thereby making the liquid flow out of the pipe joint two 2, when the liquid stops flowing, the reset spring 8 rebounds to re-attach the water blocking part 11 to the inner wall of the pipe joint two 2, thereby playing the role of check valve.

[0018] Further, the filter assembly 4 is composed of a filter frame 15 and a filter screen 16, the diameter of the filter frame 15 is the same as the diameter of the internal passage of the pipe joint one 1.

[0019] Further, the pipe joint one 1 is provided with a plurality of sealing rings 17 for sealing.

[0020] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0021] Although the terms pipe joint one 1, pipe joint two 2, water passing channel 3, filter assembly 4, convex ring 5, check assembly 6, sliding piece 7, return spring 8, positioning ball 9, positioning groove 10, water blocking part 11, sliding rod 12, connecting spring 13, fixed part 14, filter frame 15, filter screen 16, sealing ring 17, etc. are used more in the text, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the utility model; it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.

Claims

1. A hydraulic pipe joint comprising a pipe joint one (1) and a pipe joint two (2), each of said pipe joint one (1) and pipe joint two (2) having a water passage (3) thereon, characterized in that, The pipe joint one (1) is provided with a filter assembly (4) for filtering, the pipe joint one (1) is provided with a convex ring (5), the filter assembly (4) is arranged on the convex ring (5), when the pipe joint one (1) and the pipe joint two (2) are installed, the pipe joint two (2) fixes the filter assembly (4) in the pipe joint one (1), the pipe joint two (2) is provided with a check valve assembly (6) for check valve, the pipe joint one (1) is provided with a sliding piece (7) that can slide, the pipe joint one (1) is provided with a sliding groove relative to the sliding piece (7), and the sliding groove is provided with reset spring (8) connected with the sliding piece (7) and the pipe joint one (1) respectively, the pipe joint one (1) is provided with a positioning ball (9), and the pipe joint one (1) is provided with a rolling groove for adjusting the position of the positioning ball (9), the sliding piece (7) and the pipe joint two (2) are provided with a positioning groove (10) connected with the positioning ball (9) partially.

2. A hydraulic pipe joint according to claim 1, characterised in that The check valve assembly (6) includes a water blocking part (11), a sliding rod (12) and a connecting spring (13), the pipe joint two (2) is provided with a fixed part (14), and the sliding rod (12) is connected with the water blocking part (11) and slides up and down on the fixed part (14), the fixed part (14) is provided with a plurality of water passing holes for water passing, and the water blocking part (11) is attached to the inner wall of the pipe joint two (2).

3. A hydraulic pipe joint according to claim 1, wherein The filter assembly (4) is composed of a filter frame (15) and a filter screen (16), and the diameter of the filter frame (15) is the same as the diameter of the internal passage of the pipe joint one (1).

4. A hydraulic pipe joint according to claim 1, wherein The pipe joint one (1) is provided with a plurality of sealing rings (17) for sealing.